Spf Email Authentication Diagramclick To

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View A Larger Imagein Some Cases Email Service Providers Esps Handle Spf Implementation Automatically Thats Because The Esp May Provide The Ip Address And The Return Path However If You Send A High Volume Of Email You Likely Want To Avoid Using A Shared Ip Address A Dedicated Ip Helps You Control Sender Reputation Keep In Mind That If You Are On A Shared Ip Address Your Spf Record May Need To Be Updated When You Switch Esps

One Of The Downsides Of Spf Is That It Wont Work When Emails somalia email list 35881 contact leads Are Forwarded If Your Brand Is One That Relies Heavily On Email Wordofmouth Getting Your Audience To Forward Your Message Theres A Decent Chance Of The Spf Failing Validation And Never Reaching Anyone Beyond Your List2 Dkim Domainkeys Identified Mailthe Next Email Authentication Protocol Is The Result Of Two Methods Developed To Prevent Email Forgery In 2004 Yahoo Merged Its Domainkeys With Ciscos Identified Internet Mail




Domainkeys Identified Mail Or Dkim Uses An Encrypted Key Known As A Digital Signature This Signature Is Added To Email Headers To Help Verify A Sender And Associate A Message With A Specific Domain Dkim Also Needs To Be Set Up Inside A Senders Dns Recordyou Can Think Of Dkim Like A Watermark Or Fingerprint That Is Unique To An Email Sender Unlike Spf Dkim Signatures Continue Working When An Email Is Forwardedthere Are Actually Two Keys That Make Dkim Work